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CONTROL CRITERIA AND MATERIALS PERFORMANCE STUDIES FOR CATHODIC PROTECTION OF REINFORCED CONCRETE.
| 题名： | CONTROL CRITERIA AND MATERIALS PERFORMANCE STUDIES FOR CATHODIC PROTECTION OF REINFORCED CONCRETE. |
| 作者： | Bartholomew-J; Bennett-J; Turk-T; Hartt-WH; Lankard-DR; Sagues-AA; Savinell-R |
| 关键词： | CORROSION-PREVENTION; CATHODIC-PROTECTION; REINFORCED-CONCRETE; PERFORMANCE-; STEELS-; AGGREGATES-; ANODES-; MODELS-; CONCRETE-STRUCTURES; CHLORIDES-; STRATEGIC-HIGHWAY-RESEARCH-PROGRAM |
| 摘要： | This work investigated the feasibility of improved and simplified control criteria for cathodic protection of concrete structures. Corrosion rates of steel were established in a simulated concrete environment as a function of chloride contamination, pH, temperature and cathodic protection current. mathematical models were developed to establish concentration profiles which develop as a result of cathodic protection current, and to study current distributions which result from geometric factors. These studies are combined to develop improved and simplified current-based control criteria. Long-term effects of cathodic protection current on concrete and aggregate near the steel and the anode were also investigated. |
| 总页数： | 1993/10. pp260 (Figs., Tabs., 37 Ref., 3 App.) |
| 报告类型： | 科技报告 |
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